Drive Belt Re Place Ment; Mower Tire Pres Sure; Deck Lev El Ing Pro Ce Dure; Fig Ure 1 - Deck - Ventrac HM600 Owner/Operator's Manual & Parts List

Deck Belt Re place ment (cont.):
3. Remove the left hitch arm mounting bolt and lift the hitch arm up from the mounting
brackets on the deck.
4. Remove old belt. Note that one belt loop must surround the left hitch arm. This is the
reason for removing the left hitch arm mounting bolt.
5. Install the new B158 belt (Part # 81.B158 for 60") or B180 belt, (Part #81.B180 for
72" deck) as shown in the diagram below. Begin by placing one belt loop around the
left hitch arm. Place belt into the idler pulley and then the drive pulley. Take the belt
to the right spindle pulley rotating it 1/4 turn counterclockwise.
6. Once around the pulley, follow the diagram to the other pulleys. Note: the "V" shape
of the belt should fit nicely into each pulley.
7. Reinstall the left hitch arm.
8. Tension the belt by tightening the idler adjustment rod. Spring coils should be
separated enough to slip a paper clip (approximately 1/32") between them.
PTO Drive Belt Re place ment:
Remove mower from trac tor. Re move pul ley cover and place new belt B45
(Part #81.B045) over pul ley and left hitch arm. Re in stall cover.

Mower Tire Pres sure:

Mower tire in fla tion pres sure should be main tained at 8-10 psi. Pres sure vari ables are
one cause for an un even cut.

Deck Lev el ing Pro ce dure:

(Check for bent blades be fore mak ing ad just ments)
1. Before making any deck leveling adjustments, check pressure in both mower tires.
Inflate or deflate to 8-10 psi.
2. Set mower on a level hard surface. Select a high cutting height position with enough
distance from floor surface to bottom side of blade for measuring.
MAINTENANCE
D-4